Finding the Third Proportional to 12,623.63 and 19,803.38

Step by Step Solution

1. Step 1: Write the proportion equation
   12,623.63 : 19,803.38 = 19,803.38 : x
2. Step 2: Convert to fraction form
   12,623.63/19,803.38 = 19,803.38/x
3. Step 3: Cross multiply
   12,623.63x = 19,803.38 × 19,803.38
4. Step 4: Simplify right side
   12,623.63x = 392,173,661.39
5. Step 5: Solve for x
   x = 392,173,661.39/12,623.63
6. Step 6: Final answer
   x = 31,066.64